APA Citation

(2011). Guinness world records 2012. s.l.: Guinness World Records Limited.

Chicago Style Citation

Guinness World Records 2012. s.l.: Guinness World Records Limited, 2011.

MLA Citation

Guinness World Records 2012. s.l.: Guinness World Records Limited, 2011.

Warning: These citations may not always be 100% accurate.